From: Stephan Mueller <smueller@chronox.de>
Date: Sun, 7 Dec 2014 22:21:42 +0000 (+0100)
Subject: crypto: af_alg - add setsockopt for auth tag size
X-Git-Tag: fixes-v4.0-rc1~106^2~63
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25fb8638e919bc7431a73f2fb4a9713818ae2c9d;p=pandora-kernel.git

crypto: af_alg - add setsockopt for auth tag size

Use setsockopt on the tfm FD to provide the authentication tag size for
an AEAD cipher. This is achieved by adding a callback function which is
intended to be used by the AEAD AF_ALG implementation.

The optlen argument of the setsockopt specifies the authentication tag
size to be used with the AEAD tfm.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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